/Engine/Plugins/Online/OnlineSubsystemUtils/Source/OnlineSubsystemUtils/Classes/ShowLoginUICallbackProxy.h
Shows the login UI for the currently active online subsystem, if the subsystem supports a login UI.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Meta=(BlueprintInternalUseOnly="true", WorldContext="WorldContextObject"), Category="Online") static [UShowLoginUICallbackProxy](API\Plugins\OnlineSubsystemUtils\UShowLoginUICallbackProxy) * ShowExternalLoginUI ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, class [APlayerController](API\Runtime\Engine\GameFramework\APlayerController) * InPlayerController )